EP2258803A3 - Winterizing agents for oil base polymer slurries and method for making an using same - Google Patents

Winterizing agents for oil base polymer slurries and method for making an using same Download PDF

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Publication number
EP2258803A3
EP2258803A3 EP10251018A EP10251018A EP2258803A3 EP 2258803 A3 EP2258803 A3 EP 2258803A3 EP 10251018 A EP10251018 A EP 10251018A EP 10251018 A EP10251018 A EP 10251018A EP 2258803 A3 EP2258803 A3 EP 2258803A3
Authority
EP
European Patent Office
Prior art keywords
same
making
carbon atoms
base polymer
oil base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10251018A
Other languages
German (de)
French (fr)
Other versions
EP2258803A2 (en
EP2258803B1 (en
Inventor
Gabriel Monreal
Roy T. Perez, Jr.
Joseph Thompson
Frank Zamora
Sarkis Ranka Kakadjian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lubrizol Oilfield Solutions Inc
Original Assignee
Clearwater International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Clearwater International Inc filed Critical Clearwater International Inc
Priority to PL13188965T priority Critical patent/PL2687574T3/en
Priority to EP13188965.1A priority patent/EP2687574B1/en
Publication of EP2258803A2 publication Critical patent/EP2258803A2/en
Publication of EP2258803A3 publication Critical patent/EP2258803A3/en
Application granted granted Critical
Publication of EP2258803B1 publication Critical patent/EP2258803B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/62—Compositions for forming crevices or fractures
    • C09K8/64—Oil-based compositions
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • C09K8/34—Organic liquids
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/82—Oil-based compositions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A new class of winterizing compositions are disclosed including a winterizing agents being a compound of general formula Z(R1)m, where Z is a polyol having between 5 and 30 carbon atoms, R1 is a carbyl group having between about 10 and about 40 carbon atoms, and where m is an integer having the value of 1 or 2, when m is 2, R1 can be the same or different and one or more carbon atoms of R1 can be replaced by B, N, O, Si, P, S, Ge and/or mixtures thereof and one or more of the hydrogen atoms in R1 can be replaced by F, Cl, Br, I, CONR22, COOR2 , OR2 , NR22, SR2 , PR22, and/or mixtures thereof and where R2 can be a hydrogen atom, alkyl, aryl, alkylaryl or arylalkyl group having between 1-20 carbon atoms where one or more carbon or hydrogen atoms can be replaced as set forth for R1.
EP10251018.7A 2009-06-05 2010-06-02 Winterizing agents for oil base polymer slurries and method for making an using same Not-in-force EP2258803B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL13188965T PL2687574T3 (en) 2009-06-05 2010-06-02 Winterizing agents for oil base polymer slurries and method for making and using same
EP13188965.1A EP2687574B1 (en) 2009-06-05 2010-06-02 Winterizing agents for oil base polymer slurries and method for making and using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/479,486 US20100311620A1 (en) 2009-06-05 2009-06-05 Winterizing agents for oil base polymer slurries and method for making and using same

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP13188965.1A Division-Into EP2687574B1 (en) 2009-06-05 2010-06-02 Winterizing agents for oil base polymer slurries and method for making and using same
EP13188965.1A Division EP2687574B1 (en) 2009-06-05 2010-06-02 Winterizing agents for oil base polymer slurries and method for making and using same

Publications (3)

Publication Number Publication Date
EP2258803A2 EP2258803A2 (en) 2010-12-08
EP2258803A3 true EP2258803A3 (en) 2011-01-12
EP2258803B1 EP2258803B1 (en) 2017-03-01

Family

ID=42343134

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10251018.7A Not-in-force EP2258803B1 (en) 2009-06-05 2010-06-02 Winterizing agents for oil base polymer slurries and method for making an using same
EP13188965.1A Not-in-force EP2687574B1 (en) 2009-06-05 2010-06-02 Winterizing agents for oil base polymer slurries and method for making and using same

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP13188965.1A Not-in-force EP2687574B1 (en) 2009-06-05 2010-06-02 Winterizing agents for oil base polymer slurries and method for making and using same

Country Status (6)

Country Link
US (2) US20100311620A1 (en)
EP (2) EP2258803B1 (en)
CN (2) CN103603645A (en)
CA (1) CA2706209C (en)
PL (1) PL2687574T3 (en)
RU (1) RU2445335C2 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8563481B2 (en) 2005-02-25 2013-10-22 Clearwater International Llc Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same
US8871694B2 (en) 2005-12-09 2014-10-28 Sarkis R. Kakadjian Use of zeta potential modifiers to decrease the residual oil saturation
US8084401B2 (en) 2006-01-25 2011-12-27 Clearwater International, Llc Non-volatile phosphorus hydrocarbon gelling agent
US8728989B2 (en) 2007-06-19 2014-05-20 Clearwater International Oil based concentrated slurries and methods for making and using same
US7956217B2 (en) 2008-07-21 2011-06-07 Clearwater International, Llc Hydrolyzed nitrilotriacetonitrile compositions, nitrilotriacetonitrile hydrolysis formulations and methods for making and using same
US9945220B2 (en) 2008-10-08 2018-04-17 The Lubrizol Corporation Methods and system for creating high conductivity fractures
US9909404B2 (en) 2008-10-08 2018-03-06 The Lubrizol Corporation Method to consolidate solid materials during subterranean treatment operations
US8835364B2 (en) 2010-04-12 2014-09-16 Clearwater International, Llc Compositions and method for breaking hydraulic fracturing fluids
US8851174B2 (en) 2010-05-20 2014-10-07 Clearwater International Llc Foam resin sealant for zonal isolation and methods for making and using same
US8899328B2 (en) 2010-05-20 2014-12-02 Clearwater International Llc Resin sealant for zonal isolation and methods for making and using same
US8841240B2 (en) 2011-03-21 2014-09-23 Clearwater International, Llc Enhancing drag reduction properties of slick water systems
US9022120B2 (en) 2011-04-26 2015-05-05 Lubrizol Oilfield Solutions, LLC Dry polymer mixing process for forming gelled fluids
US9464504B2 (en) 2011-05-06 2016-10-11 Lubrizol Oilfield Solutions, Inc. Enhancing delaying in situ gelation of water shutoff systems
MY180601A (en) * 2011-06-10 2020-12-03 Dow Global Technologies Llc Modified nonionic surfactant formulations for enhanced oil recovery
US10414971B2 (en) 2011-06-10 2019-09-17 Dow Global Technologies Llc Modified nonionic surfactant formulations for enhanced oil recovery
US8944164B2 (en) 2011-09-28 2015-02-03 Clearwater International Llc Aggregating reagents and methods for making and using same
US8932996B2 (en) 2012-01-11 2015-01-13 Clearwater International L.L.C. Gas hydrate inhibitors and methods for making and using same
US10604693B2 (en) 2012-09-25 2020-03-31 Weatherford Technology Holdings, Llc High water and brine swell elastomeric compositions and method for making and using same
US9371480B2 (en) * 2013-08-14 2016-06-21 Elementis Specialties, Inc. Slurry concentrate and associated methods of use
US10669468B2 (en) 2013-10-08 2020-06-02 Weatherford Technology Holdings, Llc Reusable high performance water based drilling fluids
US10202828B2 (en) 2014-04-21 2019-02-12 Weatherford Technology Holdings, Llc Self-degradable hydraulic diversion systems and methods for making and using same
US10001769B2 (en) 2014-11-18 2018-06-19 Weatherford Technology Holdings, Llc Systems and methods for optimizing formation fracturing operations
US11708519B2 (en) 2017-02-26 2023-07-25 Schlumberger Technology Corporation Additive to improve cold temperature properties in oil-based fluids
US11584876B2 (en) 2017-02-26 2023-02-21 Schlumberger Technology Corporation Additive to improve cold temperature properties in oil-based fluids
US11624018B2 (en) 2018-11-09 2023-04-11 Schlumberger Technology Corporation Flat rheology wellbore fluids for generating clean wellbores
CN110396053A (en) * 2019-07-30 2019-11-01 深圳市前海博扬研究院有限公司 Asparagus fern polyureas performed polymer and preparation method and a kind of coating
US11566160B2 (en) 2020-07-24 2023-01-31 Baker Hughes Oilfield Operations Llc Additives for winterization of paraffin inhibitors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016030A1 (en) * 1993-01-14 1994-07-21 M-I Drilling Fluids Company Non-fluorescing oil-based drilling fluid
US6309431B1 (en) * 1998-12-04 2001-10-30 Bj Services Company Winterized paraffin crystal modifiers
US20050250666A1 (en) * 2004-05-05 2005-11-10 Weatherford/Lamb, Inc. Foamer/sulfur scavenger composition and methods for making and using same

Family Cites Families (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2196042A (en) * 1938-02-01 1940-04-02 Pyrene Minimax Corp Fire extinguishing foam stabilizer
GB721885A (en) 1951-12-21 1955-01-12 Ici Ltd New anthraquinone derivatives
IT649855A (en) * 1960-05-05
US3301848A (en) * 1962-10-30 1967-01-31 Pillsbury Co Polysaccharides and methods for production thereof
DE1271877B (en) * 1963-04-23 1968-07-04 Lubrizol Corp Lubricating oil
US3301723A (en) * 1964-02-06 1967-01-31 Du Pont Gelled compositions containing galactomannan gums
US3303896A (en) * 1965-08-17 1967-02-14 Procter & Gamble Process for drilling boreholes in the earth utilizing amine oxide surfactant foaming agent
US3565176A (en) * 1969-09-08 1971-02-23 Clifford V Wittenwyler Consolidation of earth formation using epoxy-modified resins
US3933205A (en) * 1973-10-09 1976-01-20 Othar Meade Kiel Hydraulic fracturing process using reverse flow
US3888312A (en) * 1974-04-29 1975-06-10 Halliburton Co Method and compositions for fracturing well formations
US3960736A (en) * 1974-06-03 1976-06-01 The Dow Chemical Company Self-breaking viscous aqueous solutions and the use thereof in fracturing subterranean formations
US3937283A (en) * 1974-10-17 1976-02-10 The Dow Chemical Company Formation fracturing with stable foam
US3965982A (en) * 1975-03-31 1976-06-29 Mobil Oil Corporation Hydraulic fracturing method for creating horizontal fractures
US4007792A (en) * 1976-02-02 1977-02-15 Phillips Petroleum Company Hydraulic fracturing method using viscosified surfactant solutions
US4067389A (en) * 1976-07-16 1978-01-10 Mobil Oil Corporation Hydraulic fracturing technique
US4113631A (en) * 1976-08-10 1978-09-12 The Dow Chemical Company Foaming and silt suspending agent
FR2439230A1 (en) * 1978-10-17 1980-05-16 Seppic Sa USE OF FATTY AMINES FOR IMPROVING THE PROPERTIES OF FOAMS, AND IMPROVED FOAMING AGENTS CONTAINING SUCH AMINES
US4725372A (en) * 1980-10-27 1988-02-16 The Dow Chemical Company Aqueous wellbore service fluids
US4378845A (en) * 1980-12-30 1983-04-05 Mobil Oil Corporation Sand control method employing special hydraulic fracturing technique
US4683068A (en) * 1981-10-29 1987-07-28 Dowell Schlumberger Incorporated Fracturing of subterranean formations
US4514309A (en) * 1982-12-27 1985-04-30 Hughes Tool Company Cross-linking system for water based well fracturing fluids
US4748011A (en) * 1983-07-13 1988-05-31 Baize Thomas H Method and apparatus for sweetening natural gas
US4506734A (en) * 1983-09-07 1985-03-26 The Standard Oil Company Fracturing fluid breaker system which is activated by fracture closure
US4615740A (en) * 1985-03-08 1986-10-07 Nl Industries, Inc. Liquid polymer containing compositions for thickening aqueous mediums
US4654266A (en) * 1985-12-24 1987-03-31 Kachnik Joseph L Durable, high-strength proppant and method for forming same
US4660643A (en) * 1986-02-13 1987-04-28 Atlantic Richfield Company Cold fluid hydraulic fracturing process for mineral bearing formations
US4657081A (en) * 1986-02-19 1987-04-14 Dowell Schlumberger Incorporated Hydraulic fracturing method using delayed crosslinker composition
US4739834A (en) * 1986-02-24 1988-04-26 Exxon Research And Engineering Company Controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes
RU1445299C (en) * 1986-05-11 1995-03-27 ТатНИПИнефть Method of nonuniform layers treatment
US4724905A (en) * 1986-09-15 1988-02-16 Mobil Oil Corporation Sequential hydraulic fracturing
US6262125B1 (en) * 1986-12-02 2001-07-17 University Of Florida Research Foundation, Inc. Sterically hindered tetraamines and method for their production
US4848468A (en) * 1986-12-08 1989-07-18 Mobil Oil Corp. Enhanced hydraulic fracturing of a shallow subsurface formation
US4718490A (en) * 1986-12-24 1988-01-12 Mobil Oil Corporation Creation of multiple sequential hydraulic fractures via hydraulic fracturing combined with controlled pulse fracturing
US4741401A (en) * 1987-01-16 1988-05-03 The Dow Chemical Company Method for treating subterranean formations
BR8702856A (en) * 1987-06-05 1988-12-20 Petroleo Brasileiro Sa CONTINUOUS PROCESS OF FRACTURING HYDRAULIC WITH FOAM
US4795574A (en) * 1987-11-13 1989-01-03 Nalco Chemical Company Low temperature breakers for gelled fracturing fluids
US4817717A (en) * 1987-12-28 1989-04-04 Mobil Oil Corporation Hydraulic fracturing with a refractory proppant for sand control
US4892147A (en) * 1987-12-28 1990-01-09 Mobil Oil Corporation Hydraulic fracturing utilizing a refractory proppant
US4830106A (en) * 1987-12-29 1989-05-16 Mobil Oil Corporation Simultaneous hydraulic fracturing
US4926940A (en) * 1988-09-06 1990-05-22 Mobil Oil Corporation Method for monitoring the hydraulic fracturing of a subsurface formation
US4938286A (en) * 1989-07-14 1990-07-03 Mobil Oil Corporation Method for formation stimulation in horizontal wellbores using hydraulic fracturing
US5024276A (en) * 1989-11-28 1991-06-18 Shell Oil Company Hydraulic fracturing in subterranean formations
US5110486A (en) * 1989-12-14 1992-05-05 Exxon Research And Engineering Company Breaker chemical encapsulated with a crosslinked elastomer coating
US5005645A (en) * 1989-12-06 1991-04-09 Mobil Oil Corporation Method for enhancing heavy oil production using hydraulic fracturing
US5082579A (en) * 1990-01-16 1992-01-21 Bj Services Company Method and composition for delaying the gellation of borated galactomannans
US5189012A (en) * 1990-03-30 1993-02-23 M-I Drilling Fluids Company Oil based synthetic hydrocarbon drilling fluid
US5106518A (en) * 1990-11-09 1992-04-21 The Western Company Of North America Breaker system for high viscosity fluids and method of use
US5224546A (en) * 1991-03-18 1993-07-06 Smith William H Method of breaking metal-crosslinked polymers
US5877127A (en) * 1991-07-24 1999-03-02 Schlumberger Technology Corporation On-the-fly control of delayed borate-crosslinking of fracturing fluids
CA2073806C (en) * 1991-07-24 2003-09-23 S. Bruce Mcconnell Delayed borate crosslinking fracturing fluid
US5424284A (en) * 1991-10-28 1995-06-13 M-I Drilling Fluids Company Drilling fluid additive and method for inhibiting hydration
US5908814A (en) * 1991-10-28 1999-06-01 M-I L.L.C. Drilling fluid additive and method for inhibiting hydration
US5228510A (en) * 1992-05-20 1993-07-20 Mobil Oil Corporation Method for enhancement of sequential hydraulic fracturing using control pulse fracturing
US5624886A (en) * 1992-07-29 1997-04-29 Bj Services Company Controlled degradation of polysaccharides
JP3219519B2 (en) * 1993-02-12 2001-10-15 三洋電機株式会社 Refrigeration equipment
US5330005A (en) * 1993-04-05 1994-07-19 Dowell Schlumberger Incorporated Control of particulate flowback in subterranean wells
CA2119316C (en) * 1993-04-05 2006-01-03 Roger J. Card Control of particulate flowback in subterranean wells
US5333698A (en) * 1993-05-21 1994-08-02 Union Oil Company Of California White mineral oil-based drilling fluid
CA2127743A1 (en) * 1993-07-20 1995-01-21 Jerry S. Neely Method and composition for enhancing hydrocarbon production from wells
US5402846A (en) * 1993-11-15 1995-04-04 Mobil Oil Corporation Unique method of hydraulic fracturing
US5411091A (en) * 1993-12-09 1995-05-02 Mobil Oil Corporation Use of thin liquid spacer volumes to enhance hydraulic fracturing
US5482116A (en) * 1993-12-10 1996-01-09 Mobil Oil Corporation Wellbore guided hydraulic fracturing
US5488083A (en) * 1994-03-16 1996-01-30 Benchmark Research And Technology, Inc. Method of gelling a guar or derivatized guar polymer solution utilized to perform a hydraulic fracturing operation
US5497831A (en) * 1994-10-03 1996-03-12 Atlantic Richfield Company Hydraulic fracturing from deviated wells
DE4438930C1 (en) * 1994-10-31 1995-10-26 Daimler Benz Ag Rack and pinion steering or control with servo motor
US5641731A (en) * 1994-11-04 1997-06-24 Ashland, Inc. Motor oil performance-enhancing formulation
GB2297103A (en) * 1995-01-20 1996-07-24 Baroid Ltd Base oil for well-bore fluids
US5635458A (en) * 1995-03-01 1997-06-03 M-I Drilling Fluids, L.L.C. Water-based drilling fluids for reduction of water adsorption and hydration of argillaceous rocks
US5775425A (en) * 1995-03-29 1998-07-07 Halliburton Energy Services, Inc. Control of fine particulate flowback in subterranean wells
US6047772A (en) * 1995-03-29 2000-04-11 Halliburton Energy Services, Inc. Control of particulate flowback in subterranean wells
US5744024A (en) * 1995-10-12 1998-04-28 Nalco/Exxon Energy Chemicals, L.P. Method of treating sour gas and liquid hydrocarbon
US5722490A (en) * 1995-12-20 1998-03-03 Ely And Associates, Inc. Method of completing and hydraulic fracturing of a well
US5649596A (en) * 1996-02-27 1997-07-22 Nalco/Exxon Energy Chemicals, L.P. Use of breaker chemicals in gelled hydrocarbons
US6267938B1 (en) * 1996-11-04 2001-07-31 Stanchem, Inc. Scavengers for use in reducing sulfide impurities
US6059034A (en) * 1996-11-27 2000-05-09 Bj Services Company Formation treatment method using deformable particles
US6169058B1 (en) * 1997-06-05 2001-01-02 Bj Services Company Compositions and methods for hydraulic fracturing
US5908073A (en) * 1997-06-26 1999-06-01 Halliburton Energy Services, Inc. Preventing well fracture proppant flow-back
US6016871A (en) * 1997-10-31 2000-01-25 Burts, Jr.; Boyce D. Hydraulic fracturing additive, hydraulic fracturing treatment fluid made therefrom, and method of hydraulically fracturing a subterranean formation
US6035936A (en) * 1997-11-06 2000-03-14 Whalen; Robert T. Viscoelastic surfactant fracturing fluids and a method for fracturing subterranean formations
US6069118A (en) * 1998-05-28 2000-05-30 Schlumberger Technology Corporation Enhancing fluid removal from fractures deliberately introduced into the subsurface
US6004908A (en) * 1998-11-25 1999-12-21 Clearwater, Inc. Rapid gel formation in hydrocarbon recovery
US6228812B1 (en) * 1998-12-10 2001-05-08 Bj Services Company Compositions and methods for selective modification of subterranean formation permeability
US6875728B2 (en) * 1999-12-29 2005-04-05 Bj Services Company Canada Method for fracturing subterranean formations
US6247543B1 (en) * 2000-02-11 2001-06-19 M-I Llc Shale hydration inhibition agent and method of use
WO2001088334A2 (en) * 2000-05-15 2001-11-22 Bj Services Company Well service composition and method
US6620769B1 (en) * 2000-11-21 2003-09-16 Hercules Incorporated Environmentally acceptable fluid polymer suspension for oil field services
US8273693B2 (en) 2001-12-12 2012-09-25 Clearwater International Llc Polymeric gel system and methods for making and using same in hydrocarbon recovery
US6725931B2 (en) * 2002-06-26 2004-04-27 Halliburton Energy Services, Inc. Methods of consolidating proppant and controlling fines in wells
US6911417B2 (en) * 2003-04-29 2005-06-28 Conocophillips Company Water block removal with surfactant based hydrocarbonaceous liquid system
CN1592167B (en) 2003-08-25 2010-05-12 北京三星通信技术研究有限公司 Method for supporting MBMS backward compatibility
US7017665B2 (en) * 2003-08-26 2006-03-28 Halliburton Energy Services, Inc. Strengthening near well bore subterranean formations
US7204311B2 (en) * 2003-08-27 2007-04-17 Halliburton Energy Services, Inc. Methods for controlling migration of particulates in a subterranean formation
US7140433B2 (en) 2003-12-12 2006-11-28 Clearwater International, Llc Diamine terminated primary amine-aldehyde sulfur converting compositions and methods for making and using same
US9018145B2 (en) * 2003-12-23 2015-04-28 Lubrizol Oilfield Solutions, Inc. Foamer composition and methods for making and using same
US7517447B2 (en) * 2004-01-09 2009-04-14 Clearwater International, Llc Sterically hindered N-methylsecondary and tertiary amine sulfur scavengers and methods for making and using same
US7268100B2 (en) 2004-11-29 2007-09-11 Clearwater International, Llc Shale inhibition additive for oil/gas down hole fluids and methods for making and using same
CA2526419C (en) * 2005-01-04 2012-09-25 Texas United Chemical Company, Llc Compounded hydrocarbon oil and oil base drilling fluids prepared therefrom
US8563481B2 (en) 2005-02-25 2013-10-22 Clearwater International Llc Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same
US7767628B2 (en) 2005-12-02 2010-08-03 Clearwater International, Llc Method for foaming a hydrocarbon drilling fluid and for producing light weight hydrocarbon fluids
US7350579B2 (en) * 2005-12-09 2008-04-01 Clearwater International Llc Sand aggregating reagents, modified sands, and methods for making and using same
US7392847B2 (en) * 2005-12-09 2008-07-01 Clearwater International, Llc Aggregating reagents, modified particulate metal-oxides, and methods for making and using same
US8097567B2 (en) * 2006-01-09 2012-01-17 Clearwater International, Llc Well drilling fluids having clay control properties
US8084401B2 (en) * 2006-01-25 2011-12-27 Clearwater International, Llc Non-volatile phosphorus hydrocarbon gelling agent
US20070197403A1 (en) * 2006-02-22 2007-08-23 David Dino Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties
US7712535B2 (en) * 2006-10-31 2010-05-11 Clearwater International, Llc Oxidative systems for breaking polymer viscosified fluids
US8172952B2 (en) 2007-02-21 2012-05-08 Clearwater International, Llc Reduction of hydrogen sulfide in water treatment systems or other systems that collect and transmit bi-phasic fluids
US7565933B2 (en) * 2007-04-18 2009-07-28 Clearwater International, LLC. Non-aqueous foam composition for gas lift injection and methods for making and using same
US7992653B2 (en) 2007-04-18 2011-08-09 Clearwater International Foamed fluid additive for underbalance drilling
US8158562B2 (en) 2007-04-27 2012-04-17 Clearwater International, Llc Delayed hydrocarbon gel crosslinkers and methods for making and using same
US7942201B2 (en) 2007-05-11 2011-05-17 Clearwater International, Llc Apparatus, compositions, and methods of breaking fracturing fluids
US8034750B2 (en) 2007-05-14 2011-10-11 Clearwater International Llc Borozirconate systems in completion systems
US8728989B2 (en) 2007-06-19 2014-05-20 Clearwater International Oil based concentrated slurries and methods for making and using same
US8065905B2 (en) 2007-06-22 2011-11-29 Clearwater International, Llc Composition and method for pipeline conditioning and freezing point suppression
US8099997B2 (en) * 2007-06-22 2012-01-24 Weatherford/Lamb, Inc. Potassium formate gel designed for the prevention of water ingress and dewatering of pipelines or flowlines
US8028755B2 (en) * 2007-12-14 2011-10-04 Clearwater International Llc Quick lock wireline valve/blow-out preventor and methods for making and using same
US8141661B2 (en) * 2008-07-02 2012-03-27 Clearwater International, Llc Enhanced oil-based foam drilling fluid compositions and method for making and using same
US7956217B2 (en) * 2008-07-21 2011-06-07 Clearwater International, Llc Hydrolyzed nitrilotriacetonitrile compositions, nitrilotriacetonitrile hydrolysis formulations and methods for making and using same
US8287640B2 (en) * 2008-09-29 2012-10-16 Clearwater International, Llc Stable foamed cement slurry compositions and methods for making and using same
US7932214B2 (en) * 2008-11-14 2011-04-26 Clearwater International, Llc Foamed gel systems for fracturing subterranean formations, and methods for making and using same
US8011431B2 (en) * 2009-01-22 2011-09-06 Clearwater International, Llc Process and system for creating enhanced cavitation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016030A1 (en) * 1993-01-14 1994-07-21 M-I Drilling Fluids Company Non-fluorescing oil-based drilling fluid
US6309431B1 (en) * 1998-12-04 2001-10-30 Bj Services Company Winterized paraffin crystal modifiers
US20050250666A1 (en) * 2004-05-05 2005-11-10 Weatherford/Lamb, Inc. Foamer/sulfur scavenger composition and methods for making and using same

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EP2258803A2 (en) 2010-12-08
CN101906289B (en) 2013-10-30
US20100311620A1 (en) 2010-12-09
RU2010122987A (en) 2011-12-10
RU2445335C2 (en) 2012-03-20
EP2258803B1 (en) 2017-03-01
US20170137698A1 (en) 2017-05-18
EP2687574B1 (en) 2015-08-12
CN103603645A (en) 2014-02-26
PL2687574T3 (en) 2015-12-31
CN101906289A (en) 2010-12-08
EP2687574A1 (en) 2014-01-22
CA2706209A1 (en) 2010-12-05
CA2706209C (en) 2013-09-03

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